Re: [PATCH v1 0/6] Add support of OV9655 camera

From: H. Nikolaus Schaller
Date: Thu Jun 22 2017 - 11:42:09 EST



> Am 22.06.2017 um 17:05 schrieb Hugues Fruchet <hugues.fruchet@xxxxxx>:
>
> This patchset enables OV9655 camera support.
>
> OV9655 support has been tested using STM32F4DIS-CAM extension board
> plugged on connector P1 of STM32F746G-DISCO board.
> Due to lack of OV9650/52 hardware support, the modified related code
> could not have been checked for non-regression.
>
> First patches upgrade current support of OV9650/52 to prepare then
> introduction of OV9655 variant patch.
> Because of OV9655 register set slightly different from OV9650/9652,
> not all of the driver features are supported (controls). Supported
> resolutions are limited to VGA, QVGA, QQVGA.
> Supported format is limited to RGB565.
> Controls are limited to color bar test pattern for test purpose.
>
> OV9655 initial support is based on a driver written by H. Nikolaus Schaller [1].

Great!

I will test as soon as possible.

> OV9655 registers sequences come from STM32CubeF7 embedded software [2].

There is also a preliminary data sheet, e.g. here:

http://electricstuff.co.uk/OV9655-datasheet-annotated.pdf

>
> [1] http://git.goldelico.com/?p=gta04-kernel.git;a=shortlog;h=refs/heads/work/hns/video/ov9655
> [2] https://developer.mbed.org/teams/ST/code/BSP_DISCO_F746NG/file/e1d9da7fe856/Drivers/BSP/Components/ov9655/ov9655.c
>
> ===========
> = history =
> ===========
> version 1:
> - Initial submission.
>
> H. Nikolaus Schaller (1):
> DT bindings: add bindings for ov965x camera module
>
> Hugues Fruchet (5):
> [media] ov9650: add device tree support
> [media] ov9650: select the nearest higher resolution
> [media] ov9650: use write_array() for resolution sequences
> [media] ov9650: add multiple variant support
> [media] ov9650: add support of OV9655 variant
>
> .../devicetree/bindings/media/i2c/ov965x.txt | 37 +
> drivers/media/i2c/Kconfig | 6 +-
> drivers/media/i2c/ov9650.c | 792 +++++++++++++++++----
> 3 files changed, 704 insertions(+), 131 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/media/i2c/ov965x.txt
>
> --
> 1.9.1
>

BR and thanks,
Nikolaus Schaller